explain features of statistics....
1) aggregate of facts
2) affected by multiplicity
3) statistics are numerically expressed.
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Answers
Answer:
✧ Features of Statistics ✧
Statistics are aggregates of facts. Statistics are numerically expressed. Statistics are affected to a marked extent by multiplicity of causes. Statistics are enumerated or estimated according to a reasonable standard of accuracy.
✧ Aggregate of Facts ✧
Statistics is defined as aggregate of numerical facts'. This implies that for figures to be included in statistics, they must be aggregate of facts and not individual figures. For example: The fact that height of a student is five feet tells nothing unless it is comparable.
✧ Affected by Multiplicity ✧
Statistics are affected by multiple causes since it is not easy to study the effect of one factor and ignore the effect of other factors. The statistics are the aggregate of all the factors.
✧ Statistics are numerically expressed ✧
Statistics are numerically expressed: All statistics are expressed numerical figures i.e. expressed in numbers and related to quantitative information only. Qualitative characteristics do not come under statistics unless they are assigned cert; ranks as a quantitative measure of assessment.